/Engine/Source/Runtime/Core/Public/Misc/TextFilter.h
Defines a function signature used to test a complex expression for an Item
typedef TBaseDelegate_FiveParams< bool, [ItemType](API\Runtime\Core\Misc\IFilter\ItemType), const [FName](API\Runtime\Core\UObject\FName) &, const [FTextFilterString](API\Runtime\Core\Misc\FTextFilterString) &, ETextFilterComparisonOperation, ETextFilterTextComparisonMode > FItemTestComplexExpression